90317306984 has 32 divisors (see below), whose sum is σ = 179258508000. Its totient is φ = 42587466432.

The previous prime is 90317306983. The next prime is 90317307043. The reversal of 90317306984 is 48960371309.

It is not an unprimeable number, because it can be changed into a prime (90317306983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4516754 + ... + 4536705.

It is an arithmetic number, because the mean of its divisors is an integer number (5601828375).

Almost surely, 2^90317306984 is an apocalyptic number.

It is an amenable number.

90317306984 is a deficient number, since it is larger than the sum of its proper divisors (88941201016).

90317306984 is a wasteful number, since it uses less digits than its factorization.

90317306984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053537 (or 9053533 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 90317306984 in words is "ninety billion, three hundred seventeen million, three hundred six thousand, nine hundred eighty-four".